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Annotation of embedaddon/quagga/isisd/isis_flags.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * IS-IS Rout(e)ing protocol - isis_flags.h
        !             3:  *                             Routines for manipulation of SSN and SRM flags
        !             4:  *
        !             5:  * Copyright (C) 2001,2002   Sampo Saaristo
        !             6:  *                           Tampere University of Technology      
        !             7:  *                           Institute of Communications Engineering
        !             8:  *
        !             9:  * This program is free software; you can redistribute it and/or modify it 
        !            10:  * under the terms of the GNU General Public Licenseas published by the Free 
        !            11:  * Software Foundation; either version 2 of the License, or (at your option) 
        !            12:  * any later version.
        !            13:  *
        !            14:  * This program is distributed in the hope that it will be useful,but WITHOUT 
        !            15:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
        !            17:  * more details.
        !            18: 
        !            19:  * You should have received a copy of the GNU General Public License along 
        !            20:  * with this program; if not, write to the Free Software Foundation, Inc., 
        !            21:  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
        !            22:  */
        !            23: 
        !            24: #ifndef _ZEBRA_ISIS_FLAGS_H
        !            25: #define _ZEBRA_ISIS_FLAGS_H
        !            26: 
        !            27: /* The grand plan is to support 1024 circuits so we have 32*32 bit flags
        !            28:  * the support will be achived using the newest drafts */
        !            29: #define ISIS_MAX_CIRCUITS 32 /* = 1024 */      /*FIXME:defined in lsp.h as well */
        !            30: 
        !            31: void flags_initialize (struct flags *flags);
        !            32: struct flags *new_flags (int size);
        !            33: int flags_get_index (struct flags *flags);
        !            34: void flags_free_index (struct flags *flags, int index);
        !            35: 
        !            36: int flags_any_set (u_int32_t * flags);
        !            37: 
        !            38: #define ISIS_SET_FLAG(F,C) \
        !            39:         F[C->idx>>5] |= (1<<(C->idx & 0x1F));
        !            40: 
        !            41: #define ISIS_CLEAR_FLAG(F,C) \
        !            42:         F[C->idx>>5] &= ~(1<<(C->idx & 0x1F));
        !            43: 
        !            44: #define ISIS_CHECK_FLAG(F, C)  F[(C)->idx>>5] & (1<<(C->idx & 0x1F))
        !            45: 
        !            46: /* sets all u_32int_t flags to 1 */
        !            47: #define ISIS_FLAGS_SET_ALL(FLAGS) \
        !            48:         memset(FLAGS,0xFF,ISIS_MAX_CIRCUITS*4);
        !            49: 
        !            50: #define ISIS_FLAGS_CLEAR_ALL(FLAGS) \
        !            51:         memset(FLAGS,0x00,ISIS_MAX_CIRCUITS*4);
        !            52: 
        !            53: #endif /* _ZEBRA_ISIS_FLAGS_H */